Officers from Herefordshire Council's Trading Standards and West Mercia Police would not have found 37,000 illegal cigarettes had it not have been for a tobacco detection dog Yoyo. A vehicle connected to a Ross-on-Wye shop contained £19,000 worth of illegal cigarettes and was identified in a car park by specialist tobacco detection dog Yoyo, from Pembrokeshire based B.W.Y Canine Ltd.